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Android SDK Manager Not Installing Components
...orm like the Android Dev website suggests. Once I clicked install I got an error stating that the Manager could not create a temp folder within the Android directory. So I created it. Now I'm getting this error:
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What are the advantages of using nullptr?
... return 0;
}
Output:
prog.cpp: In function 'int main()':
prog.cpp:3:16: error: 'NULL' was not declared in this scope
The C++ standard defines NULL as an implementation defined macro defined in certain standard library header files.
The origin of NULL is from C and C++ inherited it from C. The C...
How to tell if a string is not defined in a Bash shell script
...o use a default value, ${foo:=default} to assign the default value, ${foo:?error message} to display an error message if foo is unset, etc.
– Jouni K. Seppänen
Oct 23 '08 at 4:54
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Are Exceptions in C++ really slow
I was watching Systematic Error Handling in C++—Andrei Alexandrescu he claims that Exceptions in C++ are very very slow.
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Targeting .NET Framework 4.5 via Visual Studio 2010
... ".NET 4.5" is selected for the solution.
Build your project and check for errors.
Assuming the build completed you can verify that you are indeed targeting 4.5 by adding a reference to a 4.5 specific class to your source code:
using System;
using System.Text;
namespace testing
{
using net45ch...
Git stash pop- needs merge, unable to refresh index
.... (add the files so my work locally resolves my own merged)
git stash (no error)
git pull (no error)
git stash pop (no error and continue working)
share
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Why should casting be avoided? [closed]
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Casting errors are always reported as run-time errors in java. Using generics or templating turns these errors into compile-time errors, making it much easier to detect when you have made a mistake.
As I said above. This isn't to sa...
Relative imports in Python 3
...)[0] returns empty string. This is why there's empty string literal in the error description:
SystemError: Parent module '' not loaded, cannot perform relative import
The relevant part of the CPython's PyImport_ImportModuleLevelObject function:
if (PyDict_GetItem(interp->modules, package) == ...
Disable copy constructor
...nk the time spent following this pattern is greater than time saved by the errors it prevents. I simply forbid copy whenever not sure.
– Tomáš Zato - Reinstate Monica
Jan 14 '16 at 9:37
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Socket File “/var/pgsql_socket/.s.PGSQL.5432” Missing In Mountain Lion (OS X Server)
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I was able to add the following to my .bash_profile to prevent the error:
export PGHOST=localhost
This works because:
If you omit the host name, psql will connect via a Unix-domain socket to a server on the local host, or via TCP/IP to localhost on machines that don't have Unix-domain...